Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

31NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Friday
High: 87 °F
Light Wind
< 1ft
Friday Night
Low: 72 °F
S 10kt
< 1ft
Saturday
High: 87 °F
S 10kt
< 1ft
Saturday Night
Low: 75 °F
S 15kt
1ft
Sunday
High: 84 °F
W 10kt
1ft
Sunday Night
Low: 67 °F
Light Wind
1ft
Monday
High: 81 °F
Light Wind
1ft
Monday Night
Low: 72 °F
Light Wind
1ft
Tuesday
High: 86 °F
S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:17 am EDT Jul 17, 2026
Forecast Valid: 2am EDT Jul 17, 2026-6pm EDT Jul 23, 2026

View Nearby Observations

Detailed Forecast

Friday

Variable winds 5 kt or less. Widespread smoke, mainly after 9am. Waves 1 ft or less.

Friday Night

S wind 5 to 10 kt. A slight chance of showers and thunderstorms after 5am. Widespread smoke, mainly before 1am. Waves 1 ft or less.

Saturday

S wind 5 to 10 kt. Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy smoke. Waves 1 ft or less.

Saturday Night

S wind 10 to 15 kt becoming SW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Waves around 1 ft.

Sunday

W wind around 10 kt becoming NNW in the morning. A chance of showers before 8am. Waves around 1 ft.

Sunday Night

Variable winds 5 kt or less. Clear. Waves around 1 ft.

Monday

Variable winds 5 kt or less. Sunny. Waves around 1 ft.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Waves around 1 ft.

Tuesday

S wind 5 to 10 kt. A chance of showers and thunderstorms after 2pm. Waves around 1 ft.

Winds and seas higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.